The invention discloses composite blueberry powder which is prepared through the following raw materials, by weight, 200-250 parts of blueberry, 30-40 parts of watermelons, 20-30 parts of peas, 50-60 parts of starch of purple sweet potatoes, 70-80 parts of whey protein powder, 10-15 parts of konjaku flour, 8-10 parts of green tea powder, 40-50 parts of powdered sugar, 15-20 parts of fructus alpiniae oxyphyllae, 8-10 parts of fructus cannabis, 2-3 parts of polygonatum odoratum, 1-2 parts of platycodon grandiflorum, 3-4 parts of sesame seed hulls, 1-2 parts of lalang grass rhizomes, 1-2 parts of mango leaves, 1-2 parts of the fruit of Chinese wolfberry and 3-4 parts of pungens. According to the composite blueberry powder, the blueberry and multiple nutrient substances are processed and prepared into composite fruit powder, the composite blueberry powder is fine and smooth in taste, sweet and delicious, and more balanced and comprehensive in nutrition. The composite blueberry powder gathers effective constituents after being prepared, weight is relieved obviously, volume is obviously reduced, and the composite blueberry powder is convenient to carry, good in instant dissolving performance and convenient to drink, and further has the functions of skin whitening, macula removing, water moisture preserving, oxidation and aging resistance, pore shrinking and the like.